Gizmo
Gizmo
Usage conditions apply
- Description
- This fairly large metal disc came from the shop of Henry Fitz (1808-1863), America’s first successful commercial telescope maker. It was probably used for figuring or polishing lenses.
- Location
- Currently not on view
- Object Name
- lens grinding/polishing tool
- Object Type
- calipers
- Physical Description
- steel (overall material)
- Measurements
- slightly opened:.8 cm x 6.9 cm x 3.5 cm; 5/16 in x 2 11/16 in x 1 3/8 in
- overall: 2 in x 9 7/8 in; 5.08 cm x 25.0825 cm
- ID Number
- PH.315158.143
- accession number
- 215541
- catalog number
- 315158.143
- Credit Line
- Gift of Mrs. Willard H. Howell
- See more items in
- Medicine and Science: Physical Sciences
- Data Source
- National Museum of American History
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